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20222026
most citedGauge-invariant perturbations of relativistic non-perfect fluids in spherical spacetime

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gr-qc2025

Observational appearance and photon rings of non-singular black holes from anisotropic fluids

David Díaz-Guerra, Angel Rincon, Diego Rubiera-Garcia

We consider the optical appearance of a non-singular, spherically symmetric black hole from Eddington-inspired Born-Infeld gravity coupled to anisotropic fluids. Such a black hole…